SS220M010ST Equivalent & Substitute Parts Reference

Part Overview

The SS220M010ST is a 22 µF, 10 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 1000 hours at 85°C, suitable for general-purpose applications requiring compact radial capacitor solutions.

Key Parameters

Parameter	Value	Unit
Capacitance	22	µF
Voltage Rating	10	V
Tolerance	±20%	—
ESR @ 120 Hz	12.06	Ohm
Lifetime @ 85°C	1000	Hrs
Operating Temperature Range	-40 to 85	°C
Ripple Current @ 120 Hz	38	mA
Ripple Current @ 1 kHz	41.8	mA
Lead Spacing	0.079 (2.00)	in (mm)
Diameter	0.197 (5.00)	in (mm)
Height (Seated Max)	0.276 (7.00)	in (mm)
Mounting Type	Through Hole	—
Package	Radial, Can	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the SS220M010ST are classified into three categories based on electrical and mechanical compatibility:

Direct Substitutes (Same Voltage Rating - 10 V): Direct substitutes maintain the 10 V voltage rating, ±20% tolerance, 22 µF capacitance, and identical mechanical dimensions (0.197" diameter, 0.079" lead spacing). These parts are interchangeable in applications where the original voltage specification is required. The key parameters determining direct substitution are: capacitance value, voltage rating, tolerance, lead spacing, and overall can diameter.

Upgrade Substitutes (Higher Voltage Ratings - 16 V and 25 V): Upgrade substitutes provide higher voltage ratings (16 V or 25 V) while maintaining the same 22 µF capacitance and ±20% tolerance. These parts are suitable for applications where the circuit voltage is lower than or equal to the substitute part's rating. Higher voltage-rated capacitors provide additional safety margin and improved reliability. Key parameters: capacitance, tolerance, lead spacing, and can diameter remain constant; voltage rating increases.

Similar Parts (Higher Voltage and Extended Specifications): Similar parts offer significantly higher voltage ratings (50 V) with extended operating temperature ranges and longer lifetime ratings. These parts differ in lead spacing (0.197" vs. 0.079") and height, requiring mechanical layout verification before substitution.

Parameter Comparison

Part Number	Manufacturer	Capacitance (µF)	Voltage (V)	Tolerance	Lifetime @ Temp	Operating Temp (°C)	Lead Spacing (mm)	Height (mm)	Status
SS220M010ST	Cornell Dubilier	22	10	±20%	1000 Hrs @ 85°C	-40 to 85	2.00	7.00	Obsolete
10MS522MEFC5X5	Rubycon	22	10	±20%	1000 Hrs @ 85°C	-40 to 85	2.00	6.50	Obsolete
ECE-A1AKS220	Panasonic	22	10	±20%	1000 Hrs @ 85°C	-40 to 85	2.00	6.00	Active
16MH522MEFC5X5	Rubycon	22	16	±20%	1000 Hrs @ 105°C	-40 to 105	2.00	6.50	Obsolete
ECE-A1EKA220	Panasonic	22	25	±20%	1000 Hrs @ 85°C	-40 to 85	2.00	7.00	Active
EEA-FC1E220	Panasonic	22	25	±20%	1000 Hrs @ 105°C	-55 to 105	2.00	7.00	Active
EEA-GA1C220	Panasonic	22	16	±20%	1000 Hrs @ 105°C	-55 to 105	2.00	7.00	Active
EEA-GA1E220	Panasonic	22	25	±20%	1000 Hrs @ 105°C	-55 to 105	2.00	7.00	Active
50YXJ22MTA5X11	Rubycon	22	50	±20%	5000 Hrs @ 105°C	-40 to 105	5.00	12.50	Active

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications):

ECE-A1AKS220 (Panasonic) is the recommended direct substitute. This part maintains identical electrical specifications (22 µF, 10 V, ±20% tolerance) and mechanical compatibility (2.00 mm lead spacing, 5.00 mm diameter). The part is currently in active production status with 9632 units in stock, ensuring long-term availability. RoHS3 compliance and REACH unaffected status align with current regulatory requirements.

For Enhanced Reliability (Upgrade Path):

For applications requiring improved thermal performance and extended operational life, ECE-A1EKA220 or EEA-GA1E220 (both Panasonic, 22 µF, 25 V) provide higher voltage ratings with identical mechanical footprints. EEA-GA1E220 offers extended operating temperature range (-55°C to 105°C) and 1000-hour lifetime at 105°C, compared to the original -40°C to 85°C specification.

For Automotive and High-Reliability Applications:

EEA-FC1E220 (Panasonic) is specified for automotive applications with AEC-Q200 rating. This part provides 22 µF, 25 V capacity with 1000-hour lifetime at 105°C and extended temperature range (-55°C to 105°C). Higher ripple current capability (120 mA @ 100 kHz) supports demanding automotive circuits.

For Extended Lifetime Requirements:

50YXJ22MTA5X11 (Rubycon) provides 5000-hour lifetime at 105°C with 50 V rating. This part requires mechanical layout verification due to different lead spacing (5.00 mm vs. 2.00 mm) and significantly greater height (12.50 mm vs. 7.00 mm).

Frequently Asked Questions (FAQ)

Q: Can ECE-A1AKS220 be used as a direct replacement for SS220M010ST?

A: Yes. ECE-A1AKS220 maintains identical capacitance (22 µF), voltage rating (10 V), tolerance (±20%), and mechanical dimensions (2.00 mm lead spacing, 5.00 mm diameter, through-hole radial package). The part is in active production status, ensuring availability and long-term support.

Q: What is the advantage of using a higher voltage-rated substitute like ECE-A1EKA220 (25 V)?

A: Higher voltage-rated capacitors provide additional safety margin in the circuit. If the application operates at voltages below the substitute part's rating, using a 25 V capacitor instead of 10 V improves reliability and extends component lifetime. The 25 V rating also accommodates potential voltage transients or supply variations without exceeding the capacitor's maximum voltage specification.

Q: Are all substitute parts mechanically compatible with the original PCB layout?

A: Most substitutes maintain the same lead spacing (2.00 mm) and can diameter (5.00 mm), ensuring mechanical compatibility. However, 50YXJ22MTA5X11 has different lead spacing (5.00 mm) and height (12.50 mm), requiring PCB layout verification before use. Height differences in other substitutes (6.00 mm to 7.00 mm) are generally accommodated in standard PCB designs but should be confirmed for space-constrained applications.

Q: What does RoHS3 compliance mean for these capacitors?

A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, mercury, cadmium, hexavalent chromium, and specific brominated flame retardants. All listed substitute parts are RoHS3 compliant, suitable for applications requiring environmental and regulatory compliance.

Q: Can I use EEA-FC1E220 in non-automotive applications?

A: Yes. EEA-FC1E220 is specified for automotive applications with AEC-Q200 rating, but the part is fully functional in general-purpose applications. The automotive qualification indicates enhanced reliability testing and stricter manufacturing controls, making it suitable for any application requiring high reliability. The extended temperature range (-55°C to 105°C) and higher ripple current capability provide performance benefits beyond automotive requirements.

Q: What is the difference between Rubycon and Panasonic substitute options?

A: Both manufacturers provide equivalent electrical specifications for the 22 µF, 10 V rating. Panasonic options (ECE-A1AKS220, ECE-A1EKA220, EEA-FC1E220, EEA-GA1C220, EEA-GA1E220) are in active production status with higher inventory levels. Rubycon options (10MS522MEFC5X5, 16MH522MEFC5X5) are classified as obsolete. For new designs and long-term production, Panasonic active-status parts are recommended.

Q: Is ESR (Equivalent Series Resistance) a critical parameter for substitution?

A: ESR affects ripple current handling and thermal performance. The original SS220M010ST specifies 12.06 Ohm ESR @ 120 Hz. While substitute part datasheets do not always list ESR values, ripple current specifications provide functional equivalence. Parts with higher ripple current ratings (such as EEA-FC1E220 at 120 mA @ 100 kHz) typically have lower ESR and superior high-frequency performance.

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